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本文介绍一种用纯软件来扩展89C51单片机串行口的方法,详细说明了通过扫描发送、中断接收实现模拟串行通信的编程技巧。
This article describes a pure software to extend the 89C51 microcontroller serial port method, detailing the scan through the send, interrupt receive analog serial communication programming skills.